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March 15, 2023 13:33
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Tail jenkins console output in local console
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package main | |
import ( | |
"flag" | |
"fmt" | |
"io/ioutil" | |
"net/http" | |
"net/url" | |
"os" | |
"strconv" | |
"time" | |
) | |
func exit(err error, code int) { | |
fmt.Println(err) | |
os.Exit(code) | |
} | |
func main() { | |
buildUrlPtr := flag.String("url", "", "URL of the jenkins build") | |
userPtr := flag.String("user", "", "Jenkins username") | |
tokenPtr := flag.String("token", "", "Jenkins user token") | |
sleepPtr := flag.Int("sleep", 1, "Sleep time between calls") | |
flag.Parse() | |
sleep := *sleepPtr | |
start := int64(0) | |
stop := false | |
client := &http.Client{} | |
if *buildUrlPtr == "" || *userPtr == "" || *tokenPtr == "" { | |
flag.PrintDefaults() | |
os.Exit(1) | |
} | |
consolePath := fmt.Sprintf("%v/logText/progressiveText", *buildUrlPtr) | |
httpReq, err := http.NewRequest("GET", consolePath, nil) | |
if err != nil { | |
exit(err, 1) | |
} | |
httpReq.SetBasicAuth(*userPtr, *tokenPtr) | |
for !stop { | |
q := url.Values{} | |
q.Add("start", fmt.Sprintf("%d", start)) | |
httpReq.URL.RawQuery = q.Encode() | |
resp, err := client.Do(httpReq) | |
if resp.StatusCode > 399 { | |
exit(err, 1) | |
} | |
for k, v := range resp.Header { | |
if k == "X-Text-Size" { | |
start, err = strconv.ParseInt(v[0], 0, 0) | |
if err != nil { | |
exit(err, 1) | |
} | |
} | |
} | |
moreData := resp.Header.Get("X-More-Data") | |
if moreData == "" { | |
stop = true | |
} | |
bytes, err := ioutil.ReadAll(resp.Body) | |
if err != nil { | |
exit(err, 1) | |
} | |
fmt.Printf("%s", bytes) | |
time.Sleep(time.Duration(sleep) * time.Second) | |
} | |
} |
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